The entire issue is a list of laboratory instruments and equipment and the names and addresses of their manufacturers. Names of instruments appear in alphabetical order; names of manufacturers of each instrument appear below each instrument entry. The complete name, address, and telephone number of each manufacturer are found in a separate section…

The entire issue is a list of laboratory instruments and equipment and the names and addresses of their manufacturers. Names of instruments appear in alphabetical order; names of manufacturers of each instrument appear below each instrument entry. The complete name, address, and telephone number of each manufacturer are found in a separate section…

Reviews techniques for online coupling of high-performance liquid chromatography with mass spectrometry, emphasizing those suitable for application to nonvolatile samples. Also summarizes the present status, strengths, and weaknesses of various techniques and discusses potential applications of recently developed techniques for combined liquid…

Reviews reasons for the trend from wet chemical'' analytic techniques for measuring air pollutants toward physical methods based upon chemiluminescence, electrochemical transduction, flame ionization coupled with gas chromotography, and spectroscopy. (AL)

The entire issue is given over to the listing of laboratory instruments and equipment and the names and addresses of their manufacturers. Names of the instruments appear in alphabetical order in the guide. In a separate section, following the guide, the complete name and telephone number of each manufacturer may be found, also listed in…

Scientific, legal, and legislative roles in the interaction of science and society are examined in the context of the use of technical measures related to intoxication. The case is examined in detail as a model of the way in which the relationship is regulated. (AL)

Discussed are past work and recent advances in the use of electron microscopes for viewing structures immersed in gas and liquid. Improved environmental chambers make it possible to examine wet specimens easily. (Author/RH)

A new instrument called the tunneling microscope has recently been developed that is capable of generating real-space images of surfaces showing atomic structure. Discusses current capabilities, limitations, and the physics involved in the technique. Includes results from a study of silicon crystal surfaces. (JN)

Describes atmospheric data monitoring as part of total airpollution control effort. Summarizes types of gaseous, liquid and solid pollutants and their sources; contrast between urban and rural environmental air quality; instrumentation to identify pollutants; and anticipated new non-wet chemical physical and physiochemical techniques tor cetection…

Included is a list of laboratory instruments and equipment and the names and addresses of their manufacturers. Names of instruments appear in alphabetical order in heavy black type and the names of manufacturers of each instrument appear below each instrument entry in ordinary type. Each instrument is identified by a "category number." Unnumbered…

Discusses various brain imaging techniques, including computed tomography, magnetic resonance imaging, measurement of regional cerebral blood flow, single photo emission tomography, and position emission tomography. Describes the uses of these techniques in helping to understand brain functioning. (TW)

Discusses the nature of Fourier transform mass spectrometry and its unique combination of high mass resolution, high upper mass limit, and multichannel advantage. Examines its operation, capabilities and limitations, applications (ion storage, ion manipulation, ion chemistry), and future applications and developments. (JN)